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梯形的面積
Author:
Anthony OR 柯志明
Topic:
Area
,
Triangles
GeoGebra
柯志明 香港 GeoGebra 學院
New Resources
找出對稱軸
兩組對邊相等的四邊形
画直线等分三角形的面积
兩位數除以一位數（二）
球体的体积推导
Discover Resources
parabola
move
優良作品2(怡雯)
利用對摺找內心
四邊形特性
Discover Topics
Arithmetic
Optimization Problems
Equilateral Triangles
Scatter Plot
Standard Deviation